Nikolaus Moser
Nikolaus Moser is a former Austrian tennis player. Along with Cedrik-Marcel Stebe he won the 2008 US Open - Boys' Doubles title.
ATP Challenger finals
Doubles: 4 (3–1)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1. | 24 July 2010 | Penza, Russia | Hard |  Michail Elgin |  Alexander Bury Kiryl Harbatsiu | 6–4, 6–4 |
| Win | 2. | 29 August 2010 | Astana, Kazakhstan | Hard | Michail Elgin |  Wu Di Zhang Ze | 6–0, 6–4 |
| Win | 3. | 20 July 2012 | Penza, Russia | Hard | Konstantin Kravchuk |  Yuki Bhambri Divij Sharan | 6–7, 6–3, |
| Loss | 1. | 27 August 2012 | Segovia, Spain | Hard | Konstantin Kravchuk |  Stefano Ianni Florin Mergea | 2–6, 3–6 |